114 lines
3.5 KiB
Java
114 lines
3.5 KiB
Java
/*
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* Copyright (c) 2002-2011 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.opengles;
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import org.lwjgl.LWJGLException;
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import org.lwjgl.PointerWrapperAbstract;
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import java.nio.IntBuffer;
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import static org.lwjgl.opengles.EGL.*;
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/** EGLContext wrapper class. */
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public final class EGLContext extends PointerWrapperAbstract {
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private EGLDisplay display;
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private final EGLConfig config;
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private boolean destroyed;
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EGLContext(final EGLDisplay display, final EGLConfig config, final long pointer) {
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super(pointer);
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if ( !display.isInitialized() )
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throw new IllegalStateException("Invalid EGL display specified.");
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if ( config.getDisplay() != display )
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throw new IllegalStateException("Invalid EGL config specified.");
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this.display = display;
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this.config = config;
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}
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public void setDisplay(EGLDisplay display) {
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this.display = display;
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}
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EGLDisplay getDisplay() {
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return display;
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}
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EGLConfig getConfig() {
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return config;
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}
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private void checkDestroyed() {
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if ( destroyed )
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throw new IllegalStateException("The EGL surface has been destroyed.");
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}
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public void destroy() throws LWJGLException {
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eglDestroyContext(display, this);
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destroyed = true;
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}
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/**
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* Returns the value of the specified EGL context attribute.
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*
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* @param attribute the context attribute
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*
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* @return the attribute value
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*/
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int getAttribute(final int attribute) throws LWJGLException {
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checkDestroyed();
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IntBuffer value = APIUtil.getBufferInt();
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eglQueryContext(display, this, attribute, value);
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return value.get(0);
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}
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public void makeCurrent(final EGLSurface surface) throws LWJGLException, PowerManagementEventException {
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makeCurrent(surface, surface);
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}
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public void makeCurrent(final EGLSurface draw, final EGLSurface read) throws LWJGLException, PowerManagementEventException {
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eglMakeCurrent(display, draw, read, this);
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}
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public boolean equals(final Object obj) {
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if ( obj == null || !(obj instanceof EGLContext) )
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return false;
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return getPointer() == ((EGLContext)obj).getPointer();
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}
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} |